Can't compile a .tex file if in the file name has more than one dot

i recently tried to compile a TEX-file with a name like "file-2017.04.07.tex" and the extension refused to compile the file with the error message that I should open a "tex-file". Since the file name is totally legal on the OS level, i think the problem is due to the interpretation of the file type. Please fix this bug, because there is a clear naming convention in our team. Many thanks in advance.

Best Regards, S.L.

[dnlfrst]

This belongs to the issue (#26) I mentioned a while ago.